E85 Experience
11-15-14, 09:50 PM
#305
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Love E85... Been running ethanol for 2 years.
1000cc primaries 2000cc secondaries injector walboro E85 pump... Benol oil 1oz per gallon..
I will not owned a Rotary with out E85 in the gas thank... Race gas for 2.59 a gallon 😎 plus all others benefits ....
Setup: Rotary Werks Turbo II 13b street port with a BW366 turbo made 407 whp @ 16 PSI.. Very conservative tune..
1000cc primaries 2000cc secondaries injector walboro E85 pump... Benol oil 1oz per gallon..
I will not owned a Rotary with out E85 in the gas thank... Race gas for 2.59 a gallon 😎 plus all others benefits ....
Setup: Rotary Werks Turbo II 13b street port with a BW366 turbo made 407 whp @ 16 PSI.. Very conservative tune..
11-16-14, 08:28 PM
#311
11-17-14, 12:09 AM
#312
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I am not at 500 WHP yet... Currently at 400whp...
My set up is 2 walboro E85 pump ... 2 1000cc injectors. Primaries and 4 2000cc secondaries...... -8 feed fuel line -6 return line..
In my case I wanted to make sure I had enough fuel for my power goals in the future if I decide to go with a bigger turbo...
In my opinion I think 1 walboro E85 fuel pump is good for 450-500whp in a Rotary with E 85... They do E85 700whp in a piston engine..
The thing for me was fuel flow pressure at elevated psi with one pump when you crank up the boost in the 30 psi range.. I wanted to make sure I had enough fuel flow having both pump solve that problem if ever a rouse in my setup..
My set up is 2 walboro E85 pump ... 2 1000cc injectors. Primaries and 4 2000cc secondaries...... -8 feed fuel line -6 return line..
In my case I wanted to make sure I had enough fuel for my power goals in the future if I decide to go with a bigger turbo...
In my opinion I think 1 walboro E85 fuel pump is good for 450-500whp in a Rotary with E 85... They do E85 700whp in a piston engine..
The thing for me was fuel flow pressure at elevated psi with one pump when you crank up the boost in the 30 psi range.. I wanted to make sure I had enough fuel flow having both pump solve that problem if ever a rouse in my setup..
11-17-14, 09:56 AM
#314
Depends on turbo. The bigger the turbo the more air it flows the more fuel it needs at the same PSI.
I maxed my 4x2200cc on a 75mm turbo around 23psi. Thats being said i race my car very rich for safety purposes.
\What size turbo are you running flaco ?
I maxed my 4x2200cc on a 75mm turbo around 23psi. Thats being said i race my car very rich for safety purposes.
\What size turbo are you running flaco ?
11-17-14, 03:45 PM
#318
Not that it means much..but my car hit 30lbs on the dyno when one of my gates stuck and ive got the same set up. I think it's def doable...but It is cutting it close. I should check my Inj duty on that log and see where I was at.
11-17-14, 04:02 PM
#319
Elliot hit 29lbs on id1k's/2k's with Shawns car.
Not that it means much..but my car hit 30lbs on the dyno when one of my gates stuck and ive got the same set up. I think it's def doable...but It is cutting it close. I should check my Inj duty on that log and see where I was at.
Not that it means much..but my car hit 30lbs on the dyno when one of my gates stuck and ive got the same set up. I think it's def doable...but It is cutting it close. I should check my Inj duty on that log and see where I was at.
11-17-14, 04:21 PM
#320
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Elliot hit 29lbs on id1k's/2k's with Shawns car.
Not that it means much..but my car hit 30lbs on the dyno when one of my gates stuck and ive got the same set up. I think it's def doable...but It is cutting it close. I should check my Inj duty on that log and see where I was at.
Not that it means much..but my car hit 30lbs on the dyno when one of my gates stuck and ive got the same set up. I think it's def doable...but It is cutting it close. I should check my Inj duty on that log and see where I was at.
11-17-14, 05:07 PM
#321
Maybe, Maybe not. If so... looks like inj duty will be not so safe. So maybe not 30Lbs...But If you were planning on 30Lbs..., It'ts probably you best bet to go with the 4 Port excessive LIM and strap on another set of i.d.2200s. Full function engineering makes a 4 port rail that'd bolt right up to the excessive LIM.
11-17-14, 05:29 PM
#322
You can probably get close to 30 psi of boost with a mid size turbo, but you need to raise base fuel pressure to 75 psi in order to flow more out of the 1000/2000 setup, the problem with that is that pretty much all pumps start dropping fuel pressure after 75 psi, now add 30 more psi of boost and you are running 100+ psi of fuel pressure. So now you will have to have more pumps.
I wouldn't do that I rather add more injectors and run 45 base fuel press.
I wouldn't do that I rather add more injectors and run 45 base fuel press.
11-18-14, 09:06 AM
#323
Racing Rotary Since 1983
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"You can probably get close to 30 psi of boost with a mid size turbo, but you need to raise base fuel pressure to 75 psi in order to flow more out of the 1000/2000 setup, the problem with that is that pretty much all pumps start dropping fuel pressure after 75 psi, now add 30 more psi of boost and you are running 100+ psi of fuel pressure. So now you will have to have more pumps.
I wouldn't do that I rather add more injectors and run 45 base fuel press."
i sure do agree w this post.
here's the best OE build quality intank E85 pump's flow chart.
take a good look at the 13.5 V flow line as you increase pressure to increase deliverability...
at 43.5 base plus 30 boost and 5 psi line loss (78.5) deliverability is approx 88GPH/333L/5551 CC
add 30 more psi to boost deliverability (108.5) and you get around 37 GPH/140L/2330CC!!
plan A, raising base fuel pressure, is generally self defeating.
time for Plan B
add Kenne Bell (13.5 volt model) Boost A Pump, set at 16.0 V in boost.
raise the entire delivery curve under boost.
take the Walbro pump from 389 Liters per hour to 568 L/H by raising Volts from 13.5 to 16.
you now have 46% more flow. only in boost.
at 43.5 base, 30 psi boost and 5 psi line drag you have net to the fuel rail:
128 gallons per hour
486 liters per hour
8100 cc/minute
fuel delivery solved.
as to injector capacity to run a mid sized turbo to 30 psi on E85...
you are going to be around the 600 mark which is 80 pounds of air and 8 pounds/minute of fuel.
8 pounds of E85 is 4629 CC/minute net X 1.35 = 6250 gross injector cap (lag and IDC) i don't believe the power to volume relationship w E85 V gas is settled and guess that 2 X 1000 primaries and 2 2200 secondaries would come close to getting it done. close of course could be dicey.
howard
I wouldn't do that I rather add more injectors and run 45 base fuel press."
i sure do agree w this post.
here's the best OE build quality intank E85 pump's flow chart.
take a good look at the 13.5 V flow line as you increase pressure to increase deliverability...
at 43.5 base plus 30 boost and 5 psi line loss (78.5) deliverability is approx 88GPH/333L/5551 CC
add 30 more psi to boost deliverability (108.5) and you get around 37 GPH/140L/2330CC!!
plan A, raising base fuel pressure, is generally self defeating.
time for Plan B
add Kenne Bell (13.5 volt model) Boost A Pump, set at 16.0 V in boost.
raise the entire delivery curve under boost.
take the Walbro pump from 389 Liters per hour to 568 L/H by raising Volts from 13.5 to 16.
you now have 46% more flow. only in boost.
at 43.5 base, 30 psi boost and 5 psi line drag you have net to the fuel rail:
128 gallons per hour
486 liters per hour
8100 cc/minute
fuel delivery solved.
as to injector capacity to run a mid sized turbo to 30 psi on E85...
you are going to be around the 600 mark which is 80 pounds of air and 8 pounds/minute of fuel.
8 pounds of E85 is 4629 CC/minute net X 1.35 = 6250 gross injector cap (lag and IDC) i don't believe the power to volume relationship w E85 V gas is settled and guess that 2 X 1000 primaries and 2 2200 secondaries would come close to getting it done. close of course could be dicey.
howard
11-20-14, 08:08 PM
#325
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I have dissected these forums and FAQ's and builds etc like no other! extremely useful info.
Now i have a RX8 but have a heart transplant of a 13b rew. My questions is as far as fuel goes, i want 600+whp, my current fuel setup is 6 ID 2200cc injectors, -6 feed, -6 return. and a Single Walbro 485 e85 pump. is this enough to get me to my goals? or do i need Dual Walbro 485's? or change it up to Dual Bosch 044's?
Thanks in Advance!
Now i have a RX8 but have a heart transplant of a 13b rew. My questions is as far as fuel goes, i want 600+whp, my current fuel setup is 6 ID 2200cc injectors, -6 feed, -6 return. and a Single Walbro 485 e85 pump. is this enough to get me to my goals? or do i need Dual Walbro 485's? or change it up to Dual Bosch 044's?
Thanks in Advance!